An underwhelming response to Wall Street’s big tech earnings overnight also weighed, with Europe’s tech sector slipping.
Apple suppliers ASM International, Dialog Semiconductor and STMicroelectronics fell between 0.8% and 1.6% after the late launch of new 5G iPhones caused customers to put off buying new devices.
The pan-European STOXX 600 index inched up 0.1% after opening lower, set for a more than 6% weekly loss in what could be its worst such decline since an 18% plunge in mid-March.
Spain, one of Europe’s worst COVID-19 hot spots, will be under a state of emergency until early May.
Germany, France and other European countries have also reimposed tight restrictions in the recent weeks to curb the spread of the virus, pushing investors to look past data that showed a strong rebound in euro zone economies in the third-quarter.
“This week saw the return of fear, with equities selling off hard as the reality that surging virus cases and ever tightening restrictions in Europe will knock near-term economic prospects,” Barclays’ European equity strategist Emmanuel Cau wrote in a note.
“While significant, we think the damage should be less this time around, with many businesses and, importantly, schools remaining open.”
However, Spain’s blue-chip IBEX was supported by better-than-expected earnings from lenders Banco Sabadell , BBVA and Caixabank.
Third-quarter earnings season has been largely supportive, with 74% of the nearly half the STOXX 600 companies that reported so far topping profit estimates, according to Refinitiv data.
French oil and gas producer Total rose 2.4% after it maintained its dividend despite a sharp drop in third-quarter net profit.
Construction materials group Saint-Gobain rose 4.2% after improved full-year earnings forecast.
But Air France-KLM fell 3.3% after it unveiled a 1.05 billion-euro ($1.24 billion) quarterly operating loss and warned of worse to come as a resurgent coronavirus brings new travel curbs.
British Airways-owner IAG rose 0.9% after it said it was driving down its cost base to survive the deepening travel slump.